Home / 2,159,545.14-2,980,196.04-1,242,229.86

Finding the Fourth Proportional to 2,159,545.14, 2,980,196.04 and 1,242,229.86

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Solution

The fourth proportional to 2,159,545.14, 2,980,196.04 and 1,242,229.86 is: 1,714,290.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,545.14 : 2,980,196.04 = 1,242,229.86 : x
  2. Step 2: Convert to fraction form
    2,159,545.14/2,980,196.04 = 1,242,229.86/x
  3. Step 3: Cross multiply
    2,159,545.14x = 2,980,196.04 × 1,242,229.86
  4. Step 4: Simplify right side
    2,159,545.14x = 3,702,088,509,541.76
  5. Step 5: Solve for x
    x = 3,702,088,509,541.76/2,159,545.14
  6. Step 6: Final answer
    x = 1,714,290.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.